Optimize page: content/english/net/advanced-comparison/groupdocs-comparison-net-folder-comparison-tutorial/_index.md - - Updated title, description, and date to include primary keyword and current date.

- Added Quick Answers section for AI-friendly concise facts.  
- Integrated primary keyword “how to compare folders” 5 times and secondary keywords naturally.  
- Added question‑based headings and expanded explanations for better engagement.  
- Included trust signals (last updated, tested version, author) at the end.  
- Enhanced introductions, use‑case context, and best‑practice tips without altering any original code blocks or links.

Author: muqarrab-aspose